2008 Yosemite Outdoor Adventures Enroll in a YA Outdoor Learning Course! CLICK HERE TO ENROLL CLICK HERE TO ENROLL ONLINE USING OUR SECURE SERVER. To download a PDF of our 2008 Yosemite Outdoor Adventures catalog - that includes the enrollment form - please click here. To view the PDF, you will need a copy ofAdobe Acrobat. Get your free download on Adobe's website. Or you can contact YA, and we will send you a copy of the 2008 Yosemite Outdoor Adventures Catalog and an enrollment form. Interested in a special guided trip for your group or family? Investigate a CUSTOM ADVENTURE by clicking here! Students must sign the Liability Release Form that's part of the enrollment form and mail it with the enrollment. Please photocopy more forms if signing up for more than one participant. Because of their small sizes, courses fill quickly. Yosemite Outdoor Adventures YOSEMITE ASSOCIATION PO Box 230 El Portal, CA 95318 Call -- (209) 379-2321 Fax -- (209) 379-2486 or send us e-mail.